/* TeamFlow Documentation — MCP-inspired light docs layout */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
    --bg: #ffffff;
    --bg-muted: #f7f7f8;
    --bg-subtle: #f2f2f3;
    --border: #e8e8ea;
    --border-strong: #d4d4d8;
    --text: #18181b;
    --text-secondary: #52525b;
    --text-muted: #71717a;
    --accent: #0066ff;
    --accent-soft: rgba(0, 102, 255, 0.08);
    --brand-blue: #0066ff;
    --brand-orange: #ff6b35;
    --brand-green: #22c55e;
    --sidebar-width: 260px;
    --toc-width: 220px;
    --header-height: 56px;
    --subnav-height: 44px;
    --radius: 8px;
    --radius-sm: 6px;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
    --font: 'Plus Jakarta Sans', ui-sans-serif, sans-serif;
    --font-mono: 'JetBrains Mono', ui-monospace, monospace;
    --content-max: 720px;
}

html[data-theme="dark"] {
    --bg: #0c0c0e;
    --bg-muted: #141416;
    --bg-subtle: #1a1a1e;
    --border: #27272a;
    --border-strong: #3f3f46;
    --text: #fafafa;
    --text-secondary: #a1a1aa;
    --text-muted: #71717a;
    --accent: #3b82f6;
    --accent-soft: rgba(59, 130, 246, 0.12);
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
}

*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--header-height) + var(--subnav-height) + 1.5rem);
}

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    font-size: 15px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a {
    color: var(--accent);
    text-decoration-thickness: 1px;
    text-underline-offset: 2px;
}

a:hover {
    text-decoration-thickness: 2px;
}

/* ── Top header ── */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
}

.header-top {
    height: var(--header-height);
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0 1.25rem;
    max-width: 100%;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    text-decoration: none;
    color: inherit;
    flex-shrink: 0;
    min-width: 0;
}

.brand:hover {
    text-decoration: none;
}

.brand-logo {
    height: 34px;
    width: auto;
    display: block;
    object-fit: contain;
}

.brand-text {
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    white-space: nowrap;
}

.brand-text .team { color: var(--brand-blue); }
.brand-text .flow { color: var(--brand-orange); }

html[data-theme="dark"] .brand-logo {
    /* logo already colorful; slight brightness bump on dark */
    filter: brightness(1.05);
}

.header-search {
    flex: 1;
    max-width: 420px;
    margin: 0 auto;
    position: relative;
}

.header-search input {
    width: 100%;
    height: 36px;
    border: 1px solid var(--border);
    background: var(--bg-muted);
    border-radius: 999px;
    padding: 0 2.75rem 0 2.35rem;
    font: inherit;
    font-size: 0.875rem;
    color: var(--text);
    outline: none;
    transition: border-color 0.15s, box-shadow 0.15s;
}

.header-search input::placeholder {
    color: var(--text-muted);
}

.header-search input:focus {
    border-color: var(--border-strong);
    background: var(--bg);
    box-shadow: 0 0 0 3px var(--accent-soft);
}

.header-search .search-icon {
    position: absolute;
    left: 0.85rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
    display: flex;
}

.header-search .search-kbd {
    position: absolute;
    right: 0.65rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-muted);
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 0.1rem 0.35rem;
    pointer-events: none;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    flex-shrink: 0;
}

.header-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    padding: 0.4rem 0.65rem;
    border-radius: var(--radius-sm);
}

.header-link:hover {
    color: var(--text);
    background: var(--bg-subtle);
    text-decoration: none;
}

.icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    cursor: pointer;
}

.icon-btn:hover {
    background: var(--bg-subtle);
    color: var(--text);
}

.ask-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    height: 36px;
    padding: 0 0.85rem;
    border: 1px solid var(--border);
    background: var(--bg);
    border-radius: 999px;
    font: inherit;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text);
    cursor: pointer;
    white-space: nowrap;
}

.ask-btn:hover {
    background: var(--bg-muted);
}

.ask-btn svg {
    color: var(--brand-orange);
}

#sidebar-toggle {
    display: none;
}

/* ── Subnav tabs ── */
.header-subnav {
    display: flex;
    align-items: center;
    gap: 0.15rem;
    padding: 0 1.25rem;
    height: var(--subnav-height);
    overflow-x: auto;
    border-top: 1px solid transparent;
}

.header-subnav a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    padding: 0.55rem 0.75rem;
    border-bottom: 2px solid transparent;
    white-space: nowrap;
    margin-bottom: -1px;
}

.header-subnav a:hover {
    color: var(--text);
    text-decoration: none;
}

.header-subnav a.active {
    color: var(--text);
    font-weight: 700;
    border-bottom-color: var(--text);
}

/* ── Layout shell ── */
.docs-shell {
    display: grid;
    grid-template-columns: var(--sidebar-width) minmax(0, 1fr) var(--toc-width);
    flex: 1;
    max-width: 1440px;
    width: 100%;
    margin: 0 auto;
    min-height: calc(100vh - var(--header-height) - var(--subnav-height));
}

.docs-shell.no-toc {
    grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
}

/* Interactive roadmap on the main landing page */
.docs-shell.roadmap-shell {
    max-width: none;
    height: calc(100vh - var(--header-height) - var(--subnav-height));
    min-height: 0;
    overflow: hidden;
    /* Give the Gantt full width — docs tree is drawer-only here */
    grid-template-columns: minmax(0, 1fr);
}

body.roadmap-page #sidebar-toggle {
    display: inline-flex;
}

body.roadmap-page .docs-sidebar {
    position: fixed;
    top: calc(var(--header-height) + var(--subnav-height));
    left: 0;
    width: min(300px, 88vw);
    height: calc(100vh - var(--header-height) - var(--subnav-height));
    z-index: 90;
    transform: translateX(-105%);
    transition: transform 0.2s ease;
    box-shadow: none;
    border-right: 1px solid var(--border);
}

body.roadmap-page .docs-sidebar.active {
    transform: translateX(0);
    box-shadow: 8px 0 24px rgba(0, 0, 0, 0.08);
}

body.roadmap-page {
    overflow: hidden;
}

@media (max-width: 768px) {
    .docs-shell.roadmap-shell {
        height: auto;
        min-height: calc(100vh - var(--header-height) - var(--subnav-height));
        overflow: visible;
    }

    body.roadmap-page {
        overflow: auto;
    }
}

/* ── Left sidebar ── */
.docs-sidebar {
    position: sticky;
    top: calc(var(--header-height) + var(--subnav-height));
    height: calc(100vh - var(--header-height) - var(--subnav-height));
    overflow-y: auto;
    padding: 1.25rem 0.85rem 2.5rem;
    border-right: 1px solid var(--border);
    background: var(--bg);
}

.docs-sidebar nav {
    width: auto;
    position: static;
    height: auto;
    background: transparent;
    border: none;
    padding: 0;
}

.nav-group {
    margin-bottom: 1.35rem;
}

.nav-group-title {
    font-size: 0.8125rem;
    font-weight: 700;
    color: var(--text);
    padding: 0.35rem 0.65rem 0.5rem;
    letter-spacing: -0.01em;
}

.nav-list {
    list-style: none;
}

.nav-list a {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 450;
    padding: 0.4rem 0.65rem;
    border-radius: var(--radius-sm);
    border-left: none;
    line-height: 1.4;
}

.nav-list a:hover {
    color: var(--text);
    background: var(--bg-subtle);
    text-decoration: none;
}

.nav-list a.active {
    color: var(--text);
    font-weight: 600;
    background: var(--bg-subtle);
}

/* ── Main content ── */
.docs-main {
    min-width: 0;
    padding: 2rem 2.5rem 4rem;
}

.docs-content {
    max-width: var(--content-max);
}

.page-eyebrow {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 0.65rem;
}

.page-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.page-header h1 {
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: -0.035em;
    line-height: 1.2;
    color: var(--text);
    background: none;
    -webkit-text-fill-color: unset;
}

.page-actions {
    display: flex;
    gap: 0.35rem;
    flex-shrink: 0;
    padding-top: 0.25rem;
}

.copy-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    height: 32px;
    padding: 0 0.7rem;
    border: 1px solid var(--border);
    background: var(--bg);
    border-radius: var(--radius-sm);
    font: inherit;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
}

.copy-btn:hover {
    background: var(--bg-muted);
    color: var(--text);
}

.docs-content h2 {
    font-size: 1.35rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text);
    margin: 2.25rem 0 0.85rem;
    scroll-margin-top: calc(var(--header-height) + var(--subnav-height) + 1rem);
}

.docs-content h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text);
    margin: 1.75rem 0 0.65rem;
}

.docs-content h4,
.docs-content h5,
.docs-content h6 {
    font-size: 0.95rem;
    font-weight: 650;
    color: var(--text-secondary);
    margin: 1.35rem 0 0.5rem;
}

.docs-content p {
    margin: 0.75rem 0;
    color: var(--text-secondary);
    max-width: none;
}

.docs-content strong {
    color: var(--text);
    font-weight: 650;
}

.docs-content ul,
.docs-content ol {
    margin: 0.85rem 0;
    padding-left: 1.35rem;
    color: var(--text-secondary);
}

.docs-content li {
    margin: 0.4rem 0;
}

.docs-content li strong {
    color: var(--text);
}

.docs-content blockquote {
    margin: 1.25rem 0;
    padding: 0.85rem 1.1rem;
    border-left: 3px solid var(--brand-orange);
    background: var(--bg-muted);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    font-style: normal;
    color: var(--text-secondary);
}

.docs-content blockquote p {
    margin: 0.35rem 0;
}

.docs-content code {
    font-family: var(--font-mono);
    font-size: 0.84em;
    background: var(--bg-subtle);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 0.12em 0.35em;
    color: var(--text);
}

.docs-content pre {
    background: var(--bg-muted);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1rem 1.15rem;
    overflow-x: auto;
    margin: 1.15rem 0;
}

.docs-content pre code {
    background: transparent;
    border: none;
    padding: 0;
    font-size: 0.82rem;
    color: var(--text-secondary);
}

.docs-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.25rem 0;
    font-size: 0.9rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

.docs-content .table-wrap {
    overflow-x: auto;
    margin: 1.25rem 0;
}

.docs-content .table-wrap table {
    margin: 0;
}

.docs-content th {
    background: var(--bg-muted);
    color: var(--text);
    text-align: left;
    font-weight: 650;
    padding: 0.7rem 0.85rem;
    border-bottom: 1px solid var(--border);
}

.docs-content td {
    padding: 0.65rem 0.85rem;
    border-bottom: 1px solid var(--border);
    color: var(--text-secondary);
    vertical-align: top;
}

.docs-content tr:last-child td {
    border-bottom: none;
}

.docs-content tr:hover td {
    background: var(--bg-muted);
}

/* Hero / home */
.hero {
    margin-bottom: 2.5rem;
    padding: 0;
    background: none;
    border: none;
    border-radius: 0;
}

.hero::before {
    display: none;
}

.hero h1 {
    font-size: 2.35rem;
    font-weight: 800;
    letter-spacing: -0.04em;
    line-height: 1.15;
    margin-bottom: 0.85rem;
    color: var(--text);
    background: none;
    -webkit-text-fill-color: unset;
}

.hero p {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 38rem;
    margin-bottom: 1.5rem;
    line-height: 1.65;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.7rem 1.15rem;
    background: var(--text);
    color: var(--bg);
    text-decoration: none;
    border-radius: var(--radius-sm);
    font-weight: 650;
    font-size: 0.9rem;
    border: none;
    box-shadow: none;
    transition: opacity 0.15s, transform 0.15s;
}

.cta-button:hover {
    opacity: 0.9;
    transform: none;
    text-decoration: none;
    box-shadow: none;
}

html[data-theme="dark"] .cta-button {
    background: #fafafa;
    color: #18181b;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
    margin: 1.5rem 0 2rem;
}

.feature-card {
    padding: 1.15rem 1.2rem;
    background: var(--bg-muted);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: border-color 0.15s, background 0.15s;
}

.feature-card:hover {
    border-color: var(--border-strong);
    background: var(--bg-subtle);
    transform: none;
    box-shadow: none;
}

.feature-card h3 {
    margin: 0 0 0.45rem;
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text);
}

.feature-card p {
    margin: 0;
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.55;
}

.feature-card a {
    display: inline-block;
    margin-top: 0.75rem;
    font-size: 0.8125rem;
    font-weight: 650;
    text-decoration: none;
}

.feature-card a:hover {
    text-decoration: underline;
}

.diagram-card {
    margin: 1.75rem 0;
    padding: 1.5rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-muted);
}

.diagram-flow {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 1rem;
    align-items: center;
}

.diagram-col {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.diagram-box {
    border: 1px solid var(--border-strong);
    background: var(--bg);
    border-radius: var(--radius-sm);
    padding: 0.65rem 0.85rem;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text);
    text-align: center;
}

.diagram-center {
    border: 1.5px solid var(--brand-blue);
    background: var(--accent-soft);
    border-radius: var(--radius);
    padding: 1.25rem 1rem;
    text-align: center;
    font-weight: 700;
    font-size: 0.875rem;
    color: var(--text);
    min-width: 140px;
}

.diagram-label {
    text-align: center;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: 0.02em;
    text-transform: uppercase;
    margin-bottom: 0.35rem;
}

.diagram-arrows {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    color: var(--text-muted);
    font-size: 0.7rem;
    font-weight: 600;
}

/* ── Right TOC ── */
.docs-toc {
    position: sticky;
    top: calc(var(--header-height) + var(--subnav-height));
    height: calc(100vh - var(--header-height) - var(--subnav-height));
    overflow-y: auto;
    padding: 1.5rem 1rem 2.5rem 0.5rem;
    border-left: 1px solid var(--border);
}

.toc-title {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 0.75rem;
    padding-left: 0.65rem;
}

.toc-list {
    list-style: none;
}

.toc-list a {
    display: block;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.8125rem;
    padding: 0.3rem 0.65rem;
    border-left: 2px solid transparent;
    line-height: 1.4;
}

.toc-list a:hover {
    color: var(--text-secondary);
    text-decoration: none;
}

.toc-list a.active {
    color: var(--text);
    font-weight: 650;
    border-left-color: var(--text);
}

/* ── Footer ── */
.site-footer {
    border-top: 1px solid var(--border);
    padding: 1.5rem 1.25rem;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.8125rem;
    background: var(--bg);
}

/* Search results dropdown */
.search-results {
    display: none;
    position: absolute;
    top: calc(100% + 0.4rem);
    left: 0;
    right: 0;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    max-height: 320px;
    overflow-y: auto;
    z-index: 50;
}

.search-results.open {
    display: block;
}

.search-results a {
    display: block;
    padding: 0.65rem 0.85rem;
    text-decoration: none;
    color: var(--text);
    border-bottom: 1px solid var(--border);
    font-size: 0.875rem;
}

.search-results a:last-child {
    border-bottom: none;
}

.search-results a:hover,
.search-results a:focus {
    background: var(--bg-muted);
    outline: none;
}

.search-results .result-section {
    display: block;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 0.15rem;
}

.search-empty {
    padding: 0.85rem;
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Ask bar (home flourish) */
.ask-bar {
    position: fixed;
    bottom: 1.25rem;
    left: 50%;
    transform: translateX(-50%);
    width: min(420px, calc(100% - 2rem));
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 0.45rem 0.55rem 0.45rem 1rem;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
    z-index: 40;
}

.ask-bar input {
    flex: 1;
    border: none;
    background: transparent;
    font: inherit;
    font-size: 0.875rem;
    color: var(--text);
    outline: none;
}

.ask-bar button {
    width: 32px;
    height: 32px;
    border: none;
    border-radius: 999px;
    background: var(--text);
    color: var(--bg);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

html[data-theme="dark"] .ask-bar button {
    background: #fafafa;
    color: #18181b;
}

/* ── Responsive ── */
@media (max-width: 1100px) {
    .docs-shell {
        grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
    }

    .docs-toc {
        display: none;
    }
}

@media (max-width: 860px) {
    #sidebar-toggle {
        display: inline-flex;
    }

    .docs-shell,
    .docs-shell.no-toc {
        grid-template-columns: 1fr;
    }

    .docs-sidebar {
        position: fixed;
        top: calc(var(--header-height) + var(--subnav-height));
        left: 0;
        width: min(300px, 88vw);
        height: calc(100vh - var(--header-height) - var(--subnav-height));
        z-index: 90;
        transform: translateX(-105%);
        transition: transform 0.2s ease;
        box-shadow: none;
        border-right: 1px solid var(--border);
    }

    .docs-sidebar.active {
        transform: translateX(0);
        box-shadow: 8px 0 24px rgba(0, 0, 0, 0.08);
    }

    .docs-main {
        padding: 1.5rem 1.15rem 3.5rem;
    }

    .page-header h1,
    .hero h1 {
        font-size: 1.65rem;
    }

    .feature-grid {
        grid-template-columns: 1fr;
    }

    .header-search {
        display: none;
    }

    .ask-btn span {
        display: none;
    }

    .header-link {
        display: none;
    }

    .diagram-flow {
        grid-template-columns: 1fr;
    }

    .diagram-arrows {
        transform: rotate(90deg);
        margin: 0.25rem 0;
    }
}

@media (max-width: 480px) {
    .brand-text {
        font-size: 0.85rem;
    }

    .page-actions {
        display: none;
    }
}

/* Overlay when mobile nav open */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.25);
    z-index: 80;
}

.sidebar-overlay.active {
    display: block;
}